Andy Warren

I'm Andy Warren, currently a SQL Server trainer with End to End Training. Over the past few years I've been a developer, DBA, and IT Director. I was one of the original founders of SQLServerCentral.com and helped grow that community from zero to about 300k members before deciding to move on to other ventures.

SQLServerCentral Article

A Pattern Based Approach to Masking Errors

A few years ago I had a requirement to allow both developers and customers to see rows from a table used to store error information while making sure that any PII, PCI or similar sensitive data was not displayed. The tolerance for “oops” was low! This article presents one way to solve the challenge by […]

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2020-04-27

1,752 reads

SQLServerCentral Article

Worst Practices - Objects Not Owned by DBO

Last week Andy launched a new series about Worst Practices by talking about why the Hungarian naming convention is bad for column names. This week he's at it again, declaring that the practice of having objects owned by anyone other than dbo is BAD! Agree or disagree, we think you'll enjoy reading this article and adding your thoughts to the discussion!

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2019-08-01 (first published: )

38,367 reads

SQLServerCentral Article

Error Logging Gone Wild

Many of have applications that log errors to a table. Ever thought about what happens when an application starts to throw a lot of errors? This article looks at the problem and some of the responses you might consider having ready in case it happens to you!

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2016-10-11

1,794 reads

Technical Article

Time to Rebrand

I became a SQL guy back in 1998 because the company that hired me used SQL Server. It’s been a good ride and it’s paid the bills, but after 15 years or so it’s time to do something different.

2015-04-01

6,297 reads

Blogs

The Cost of Not Having a DBA

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Does skipping a DBA save money? Wait until your system grinds to a halt,...

Who are you? Building an identity map.

By

I admit that until I read the article, Who are you as a Leader?,...

Call a Fabric REST API from Azure Data Factory

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Suppose you want to call a certain Microsoft Fabric REST API endpoint from Azure...

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Forums

How to update using data from three tables?

By mjdemaris

I am in the process of migrating from MySQL to SQL Server. I have...

Select Returning Blank Rows

By JP789

I have the following select statement --#1 Select supplier, s.refnum, desc from supplier as...

How to update a history table with changes.

By bswhipp

Good morning to all.  I am a novice when it comes to SQL so...

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Question of the Day

Replacing a NULL II

What is returned from this code in SQL Server 2022?

DECLARE
  @value INT = NULL
, @value2 VARCHAR(20) = NULL;
SELECT COALESCE (@value, @value2, 100.5) AS Result;
GO

See possible answers